The Hoverwork contribution to Expo '67 gave everyone a chance to discover a revolutionary craft. This craft moves by generating an air cushion at the time, this idea was relatively new. Invented in 1956 by Christopher Cockerell, and improved in 1958 by the addition of a flexible underskirt to retain the air-cushion this principle permitted the SRN6 to securely move passagers at a maximum speed of 56 knots, a mere ten years later. Many Hovercrafts found use as ferries.

This principle is still at use by the Canadian Coast Gard on the St-Lawrence River and its tributary rivers, a hovercraft then being used as an icebreaker. If the wind generated under the craft isn't sufficient, it is stopped and the weight of the craft then breaks the ice.

In the pictures above, you can observe Hovercraft coming in for a "landing" near Habitat 67 in Montreal Harbour. Heavy rubber mats on the ground protected the underskirt when the Hovercrafts were parked. The underskirt would collapse under the aircraft weight when air was not forced under it.

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